98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
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/* OS independent definitions for AMD x86-64.
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Copyright (C) 2001 Free Software Foundation, Inc.
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Contributed by Bo Thorsen <bo@suse.de>.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#undef ASM_COMMENT_START
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#define ASM_COMMENT_START "#"
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(n) \
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(TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
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/* Output assembler code to FILE to call the profiler. */
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#define NO_PROFILE_COUNTERS
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#undef FUNCTION_PROFILER
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#define FUNCTION_PROFILER(FILE, LABELNO) \
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{ \
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if (TARGET_64BIT && flag_pic) \
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fprintf (FILE, "\tcall\t*mcount@PLT\n"); \
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else if (flag_pic) \
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fprintf (FILE, "\tcall\t*mcount@GOT(%%ebx)\n"); \
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else \
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fprintf (FILE, "\tcall\tmcount\n"); \
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}
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#undef SIZE_TYPE
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#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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#undef CC1_SPEC
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#define CC1_SPEC "%(cc1_cpu) %{profile:-p}"
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#undef ASM_SPEC
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#define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} \
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%{Wa,*:%*} %{m32:--32}"
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/* A C statement (sans semicolon) to output to the stdio stream
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FILE the assembler definition of uninitialized global DECL named
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NAME whose size is SIZE bytes and alignment is ALIGN bytes.
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Try to use asm_output_aligned_bss to implement this macro. */
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
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/* A C statement to output to the stdio stream FILE an assembler
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command to advance the location counter to a multiple of 1<<LOG
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bytes if it is within MAX_SKIP bytes.
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This is used to align code labels according to Intel recommendations. */
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
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do { \
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if ((LOG) != 0) { \
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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} \
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} while (0)
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/* i386 System V Release 4 uses DWARF debugging info.
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x86-64 ABI specifies DWARF2. */
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#undef DWARF2_DEBUGGING_INFO
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#undef DWARF_DEBUGGING_INFO
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#define DWARF2_DEBUGGING_INFO
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#define DWARF2_UNWIND_INFO 1
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/* Incorrectly autodetected in cross compilation. */
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#undef HAVE_AS_DWARF2_DEBUG_LINE
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#define HAVE_AS_DWARF2_DEBUG_LINE
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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